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https://github.com/Sei-Lisa/LSL-PyOptimizer
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Add default options and option activation/deactivation.
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1 changed files with 27 additions and 15 deletions
42
main.py
42
main.py
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@ -9,37 +9,39 @@ def main():
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if len(sys.argv) < 2:
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sys.stderr.write(r'''LSL optimizer v0.1
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Usage: %s [-O option[,option[,...]]] filename
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Usage: %s [-O [+|-]option[,[+|-]option[,...]]] filename
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That's an upper case o, not the number zero.
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If filename is a dash (-) then standard input is used.
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Options (* means not implemented):
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extendedglobalexpr Enables arbitrary expressions in globals (as opposed to
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Options (+ means default, - means not default, * means not implemented):
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+extendedglobalexpr Enables arbitrary expressions in globals (as opposed to
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dull simple expressions allowed by regular LSL). Needs
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the optimizer to run for the result to be compilable.
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extendedtypecast Allows extended typecast syntax e.g. (string)(integer)a
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+extendedtypecast Allows extended typecast syntax e.g. (string)(integer)a
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is valid with this option.
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extendedassignment Enables &=, |=, ^=, <<=, >>= assignment operators.
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explicitcast Add explicit casts where they are implicit. This option
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+extendedassignment Enables &=, |=, ^=, <<=, >>= assignment operators.
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-explicitcast Add explicit casts where they are implicit. This option
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is useless with 'optimize' and 'optsigns', and is of
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basically no use in general.
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allowkeyconcat Allow string + key and key + string (both return string)
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allowmultistrings Allow C-like string juxtaposition, e.g. "ab" "cd" means
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+allowkeyconcat Allow string + key and key + string (both return string)
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+allowmultistrings Allow C-like string juxtaposition, e.g. "ab" "cd" means
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"abcd", no concatenation involved. Very useful when used
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with a preprocessor (although the optimizer would
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optimize concatenated strings if they are parenthesized
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correctly, see note at the footer).
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skippreproc Skip preprocessor directives in the source as if they
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+skippreproc Skip preprocessor directives in the source as if they
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were comments. Not useful unless the script is itself
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the output of a preprocessor like cpp, which inserts
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directives like: # 123 "filename".
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optimize Runs the optimizer.
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optsigns Optimize signs and float as int.
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foldtabs Tabs can't be copy-pasted, so they aren't optimized by
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+optimize Runs the optimizer.
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+optsigns Optimize signs and float as int.
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-foldtabs Tabs can't be copy-pasted, so they aren't optimized by
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default. But with support from the viewer, they can be
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folded too and make it to the uploaded source. This
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option overrides that check, enabling optimization of
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strings with tabs.
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strings with tabs. The resulting source isn't guaranteed
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to be copy-paste-able to a different script, though.
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* allowcescapes Enables use of \r, \b, \xNN, \NNN, etc.
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* enableswitch Enables Firestorm-compatible switch statements
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(not recommended)
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@ -52,14 +54,24 @@ means that e.g. a + 3 + 5 is not optimized to a + 8; however a + (3 + 5) is.
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''' % sys.argv[0])
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return 1
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options = set(('extendedglobalexpr','extendedtypecast','extendedassignment',
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'allowkeyconcat','allowmultistrings','skippreproc','optimize','optsigns'
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))
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if sys.argv[1] == '-O':
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if len(sys.argv) < 4:
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sys.stderr.write('Command line: Not enough parameters\n')
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return 1
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options = sys.argv[2].split(',')
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optchanges = sys.argv[2].split(',')
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for chg in optchanges:
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if chg[0:1] != '+':
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chg = '+' + chg
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if chg[0] == '-':
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options.discard(chg[1:])
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else:
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options.add(chg[1:])
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fname = sys.argv[3]
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else:
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options = ()
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fname = sys.argv[1]
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p = parser()
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